Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

A monument marks the location of the first successful steamboat demonstration.

The highest point in Maryland is only accessible by hiking through another state.

This abandoned train tunnel has been the subject of countless ghost stories for years.

Berkeley Springs State Park boasts the nation's only monument commemorating presidential bathing.

A table rock formation that has been intriguing West Virginians for years.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The seat of Buffalo government is a gorgeous Art Deco palace.

Buffalo's abandoned concrete grain elevators are getting a second life.

A forsaken wonder in the middle of the East Side neighborhood.

It's common to find the famous science communicator's grave adorned with pale blue marbles.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Quite possibly the last cross all humans will ever see.

A celebration of capitalism in Midtown.

A semi-scholarly approach to sex.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

The humble fort that saved Washington.

New York's southernmost subway station is whimsically wavy.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

Detailed facade of a brownstone in Boerum Hill.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”